Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10111805 | Facial massager | Changman Park, Changkeun Lee, Taehong Shin, Seunghwan Yi, Wooram Park +4 more | 2018-10-30 |
| 9962315 | Electric module for stimulating skin | Chang-Man Park, Chil-Sung Lee, Changkeun Lee, Taehong Shin, Seunghwan Yi +4 more | 2018-05-08 |